Unit#2: Matter

1

Which of the following is NOT considered matter?

A Air B Water C Heat D Iron

2

The conversion of gas into liquid is called:

A Evaporation B Condensation C Freezing D Sublimation

3

Which of the following is a chemical property?

A Color B Density C Flammability D Volume

4

Which state of matter is easily compressible?

A Solid B Liquid C Gas D Ice

5

The process of changing liquid into solid is called:

A Melting B Freezing C Evaporation D Condensation

6

Which example shows a chemical change?

A Ice melting B Water boiling C Iron rusting D Salt dissolving

7

The change of solid directly into gas is called:

A Evaporation B Condensation C Sublimation D Melting

8

Matter is made up of:

A Atoms and molecules B Cells C Energy D Light waves

9

Which factor does NOT affect evaporation?

A Temperature B Surface area C Wind D Color

10

Which change involves formation of a new substance?

A Melting of ice B Boiling of water C Rusting of iron D Freezing of water

11

Matter is mainly classified into how many categories?

A One B Two C Three D Four

12

Matter can change its state by changing:

A Color B Mass C Temperature or pressure D Shape only

13

Which property of matter can be measured?

A Taste B Color C Mass D Smell

14

Which of the following is a chemical change?

A Breaking glass B Melting wax C Burning paper D Freezing water

15

Which of the following is an intensive property?

A Mass B Volume C Density D Weight

16

Which of the following occupies the entire space of its container?

A Solid B Liquid C Gas D Ice

17

Particles in solids are:

A Far apart B Loosely packed C Closely packed D Moving freely

18

Which change involves breaking or forming chemical bonds?

A Physical change B Chemical change C State change D Mechanical change

19

Which state of matter has particles vibrating at fixed positions?

A Solid B Liquid C Gas D Vapor

20

Which property depends on the amount of matter present?

A Density B Color C Mass D Boiling point

21

The state of matter with fixed shape and fixed volume is:

A Solid B Liquid C Gas D Plasma

22

During evaporation, particles of liquid:

A Gain energy B Lose energy C Stop moving D Become solid

23

Which process is reversible?

A Burning of coal B Rusting C Melting of ice D Cooking food

24

Boiling is a change from:

A Solid to liquid B Liquid to gas C Gas to liquid D Solid to gas

25

Which form of matter has definite volume but variable shape?

A Solid B Liquid C Gas D Plasma